Horticultural Reviews, Volume 45

Contents … ix

Dedication: Jules Janick … xii

1. The Flowers of Fragaria × ananassa: Morphology, Response to Photoperiod, and Genetics of Induction … 1

2. Small Unmanned Aircraft Systems (sUAS): An Emerging Technology for Horticulture … 33

3. Leaf Blackening: A Serious Impediment to Long-Term Cold Storage, Transport, and Extended Vase Life in Protea Cut Flowers … 73

4. Sapota (Manilkara achras Forb.): Factors Influencing Fresh and Processed Fruit Quality … 105

5. The Citron (Citrus medica L.) in China … 143

6. Apple Rootstocks: History, Physiology, Management, and Breeding … 197

7. Canopy Growth and Development Processes in Apples and Grapevines: Responses to Temperature … 313

8. Organic Acids in Fruits: Metabolism, Functions, and Contents … 371